McGee's toxic-rain induced cold causes his snot to attain future-telling powers. But these powers actually make AWFUL things happen...including a monster-attack...on Squirt!/The kids discover that Slimey is secretly hanging out with the bottomlurkers, and travel to Bottom-lake to confront their pal. That's when Buttsquat shows up, eager to make Slimey...into a plate of Butt-sushi.